Exactly. Last time, they caused unspeakable suffering to us monsters, for several months before the end. We can't trust their kind. They might be planning the same, or worse.

[Kain doesn't want to think of what "worse than gestating freaky parasites for months" might entail, but he's sure such a thing is possible.]

The symptoms wouldn't manifest for a while, so we might already be infected. They've never brought us here, to their domain... so I don't know what that could mean.